What did you do to your XJ today? 1M Views

[bruggz351]

Originally Posted by junglejuice

I run 245/70/16's which come in at 29.5", these are larger in diameter then my 30x9.50-15s, usually imperial (vague) tyre sizes are rounded up...

On OEM rims my 235/75/15's are wider (2mm) then the 245/70/16's also on OEM rims...

I have found, as many have I imagine, the frustration of inconsistencies in actual sizes.
I can't recall the brand now, I think it was Korean, in a 31x10.5 15 actually measured just under 30" in diameter.

In theory, if we did our homework, and found a tyre that was 'over' size, legally, if the sidewall says it's within the limits of our certificate/law, then we can't be penalized for it.

Not many manufacturers are the same as each other either. But they are all "close to the mark". Even different models within a brand, are physically different sizes for a particular size. Eg, 31s.

I know I'm not saying anything new, just rambling.

Can't wait to see what the engineer has got to say. He's very interested in having a look at the shackle relocation brackets. He hasn't seen them before. But by the sound of him on the phone, he likes the concept.

Cheers

Sent from my FRED

[layback40]

Originally Posted by bruggz351

Be seeing an engineer this week or next about legitimizing a 3.5" lift and 245/75/16 tyres.
May be pushing the envelope with the tyres. We'll see.

Sent from my FRED

Fill the tank & put a couple of bags of cement on the floor & that will easily get rid of 1/2". 3" is actually 2" on a sport, so you will be ok. it will probably sag the 1/2" soon enough.
Measure the distance from the ground to the center of the wheel when the car is on the ground. Times this by 2 & that is the diameter. it will be under, if not let a bit of air out of the tyres.

[wikchi]

Broke a bunch of shit and bandaided it until i fix it or give up and run out of money.

[bruggz351]

Originally Posted by layback40

Fill the tank & put a couple of bags of cement on the floor & that will easily get rid of 1/2". 3" is actually 2" on a sport, so you will be ok. it will probably sag the 1/2" soon enough.
Measure the distance from the ground to the center of the wheel when the car is on the ground. Times this by 2 & that is the diameter. it will be under, if not let a bit of air out of the tyres.

The lift size is fine. I'm aloud a maximum of 6".
Supposed to be 2" body lift, 2" suspension lift and 2" in tyres.
But seeing as the xj is monocoque, he's allowing 4" in suspension.
The 2" in tyres isn't truly lift either. It's how much oversized you're allowed to go. Eg 28" tyres the largest standard tyres available on your model. You can engineer 30" tyres, easily.
All this, of course, depends on the individual engineer.

Sent from my FRED

[tazwegion]

Originally Posted by bruggz351

I have found, as many have I imagine, the frustration of inconsistencies in actual sizes.
I can't recall the brand now, I think it was Korean, in a 31x10.5 15 actually measured just under 30" in diameter.

Probably Nexen's, I think mine were slightly less in diameter than specified (when new)

[junglejuice]

Originally Posted by layback40

Fill the tank & put a couple of bags of cement on the floor & that will easily get rid of 1/2". 3" is actually 2" on a sport, so you will be ok. it will probably sag the 1/2" soon enough.

This does NOT apply in Qld, there is no hard and fast rule up here in regards to lift, the 50mm lift is mentioned BUT they have put a secondary measurement in place which is to do with suspension travel reduction and 50mm lift exceeds this so essentially with stock arms in Qld 50mm lift exceeds this criteria...

[Richard buttocks]

just ordered many many many parts
funny enough the mrs doesnt want to know how much it all cost

i wish i didnt have to know either.